GPT-5.6 Sol vs Kimi K3: Pricing and Specs
GPT-5.6 Sol $4 / $20 vs Kimi K3 $3 / $15 per 1M tokens in / out.
| GPT-5.6 Sol | Kimi K3 | |
|---|---|---|
| Maker | OpenAI | Moonshot AI |
| Input, per 1M tokens | $4 | $3 |
| Output, per 1M tokens | $20 | $15 |
| Context window | 1,050,000 tokens openai.com | 1,048,576 tokens kimi.ai |
| Max output | 128,000 tokens openai.com | Not published in the docs we read |
| Input types | Text, Image openai.com | Not published in the docs we read |
| Output types | Text openai.com | Not published in the docs we read |
| Price checked | Nov 9, 2026 openai.com | Nov 9, 2026 kimi.ai |
| Tracked changes | 1 | 0 |
Facts side by side from each maker's own pages. No score and no verdict.
Recent changes
Announced, not in effect yet
Get an email when GPT-5.6 Sol or Kimi K3 changes its price
Questions
Which is cheaper, GPT-5.6 Sol or Kimi K3
By listed price, Kimi K3 is lower: $3 vs $4 per 1M input tokens. Price is the only thing this answer compares.
What do 1M input and 1M output tokens cost on each
GPT-5.6 Sol: $24. Kimi K3: $18. Listed standard prices, before caching or batch discounts.
What context window does each have
GPT-5.6 Sol: 1,050,000 tokens. Kimi K3: 1,048,576 tokens. From each maker's docs.
Who makes GPT-5.6 Sol and Kimi K3
GPT-5.6 Sol is made by OpenAI. Kimi K3 is made by Moonshot AI.